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Summarize the given blog post

Additional Context:
Digital marketing refers to the use of digital channels such as social media, search engines, website, and email to advertise your brand, product, or service. It has become a crucial part of almost all marketing strategies because of the wide reach of these channels.

Answer:
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Digital marketing has become necessary for businesses today as it allows them to reach a wide audience quickly through reliable digital channels. This includes the use of popular platforms such as social media, search engines, websites, and email. With the continued advances of digital technology, digital marketing has become an important part of all marketing strategies, especially for small businesses. As a result, businesses of all sizes should make sure their digital marketing strategies are up-to-date, comprehensive, and effective.